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2025年12月12日Life assessment requires comprehensive monitoring of the following indicators: Monitoring Metric Normal Range Replacement Warning Surface Porosity Change Initial value ± 5% > ± 15% Elastic Recovery Rate > 92% ...
2025年12月12日Three special requirements must be met: Low-stress polishing: Elastic substrate modulus must match GaN’s brittle nature (fracture toughness < 2 MPa·m¹/²) to prevent micro-cracks Resistance to strong alkaline environments: PTFE-modified ...
2025年12月12日Improvement can be quantified through three key metrics: TTV Improvement: Proprietary porous elastic layer design controls wafer total thickness variation to < 0.3 µm (40% improvement over conventional pads) Removal ...
2025年12月12日CMP finishing pads (Final Pads) are specifically designed for ultra-precise surface finishing. Their key characteristics include: Finer surface structure: Porosity < 10% with higher groove density for nanoscale material removal control ...
